LaVoce WSF122.50
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50 Hz |
| Qts | 0.32 |
| Qes | 0.34 |
| Qms | 5.5 |
| Vas | 72 L |
| Sd | 531 cm² |
| Xmax | 4.4 mm |
| Re | 5.5 Ω |
| Bl | 16.8 T·m |
| Mms | 55.6 g |
| Pe | 250 W |
| Sensitivity | 97.8 dB |
Alignment hint
| EBP | 147 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 18.5 L |
EBP > 100: favours a ported (bass-reflex) alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-12A/302PA | 50 = | 0.335 +0.02 | 77 +5 | 5 +0.6 | 97.3 -0.5 | close | + | |
| Fane CRESCENDO 12MB | 50 = | 0.295 -0.03 | 67 -5 | 4.3 -0.1 | 97.8 = | close | Xmax 4.3 mm < 4.4 mm: lower excursion-limited SPL | + |
| RCF MB 12X301 | 50 = | 0.29 -0.03 | 70 -2 | 5.9 +1.5 | 98.3 +0.5 | close | + | |
| 18 Sound 12MB606 | 50 = | 0.323 = | 84 +12 | 6.4 +2 | 98.3 +0.5 | close | + | |
| JBL 2206H | 52 +2 | 0.316 = | 62.3 -9.7 | 5.9 +1.5 | 97.9 +0.1 | close | + | |
| Faital PRO 12FH520 | 50 = | 0.29 -0.03 | 73.7 +1.7 | 7.25 +2.85 | 98 +0.2 | close | + | |
| B&C 12CL64 | 52 +2 | 0.3 -0.02 | 64 -8 | 4.5 +0.1 | 98 +0.2 | close | + | |
| Eminence KAPPALITE 3012 H0 | 51.5 +1.5 | 0.318 = | 81.1 +9.1 | 5.8 +1.4 | 98.9 +1.1 | close | + | |
| LaVoce NBASS12-30-16 | 48 -2 | 0.34 +0.02 | 69.83 -2.17 | 7.3 +2.9 | 97.5 -0.3 | close | 16 Ω vs 8 Ω: amp load changes | + |
| RCF MB 12N251 | 50 = | 0.338 +0.02 | 83 +11 | 5 +0.6 | 98.5 +0.7 | close | + |
Compare the closest 3 against the WSF122.50 →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.